fix std

python/tests/test_lowlevel.py

@@ -2,7 +2,6 @@ from __future__ import print_function
 import pytest
 from deltachat import capi, Account, const, set_context_callback
 from deltachat.capi import ffi
-from deltachat.cutil import as_dc_charpointer
 from deltachat.account import EventLogger
 
 
@@ -10,6 +9,7 @@ def test_empty_context():
     ctx = capi.lib.dc_context_new(capi.ffi.NULL, capi.ffi.NULL, capi.ffi.NULL)
     capi.lib.dc_close(ctx)
 
+
 def test_dc_close_events():
     ctx = capi.lib.dc_context_new(capi.lib.py_dc_callback, ffi.NULL, ffi.NULL)
     evlog = EventLogger(ctx)